2003•Yumi kexueRequires access

Study on Drought Resistance of Maize in Seedling Emergence Stage

Minghui Xu

Abstract

The study on drought resistance of six hybrids in seedling emergence stage showed that the via-bility and percentage of germination,growth rate of seedling and root,transformation percentage of stored sub-stance and amylase activity were decreased by water stress.There were obvious drought resistance difference a-mong the hybrids.The higher drought resistance hybrids kept high viability and percentage of germination,amylase activity and transformation percentage of stored substance under water stress while the lower drought resistance hybrids were decreased seriously.The results showed that evaluations based on these indexes could reflect the drought resistance traits of maize in seedling emergence stage.

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Key concepts: Seedling, Germination, Hybrid, Drought resistance, Biology, Water stress, Resistance (ecology), Agronomy